@book{38394,
	author = {Ryan, Erin.},
	title = {Federalism and the tug of war within},
	publisher = {Oxford University Press,},
	year = {c2011.},
	address = {New York :},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199737987.001.0001}
}